High-calcium potato biscuit and preparation method thereof

The invention discloses a high-calcium potato biscuit and a preparation method thereof. The high-calcium potato biscuit comprises the following ingredients in parts by weight: 40 to 60 parts of potato whole meal, 30 to 50 parts of chicken bone paste uniform slurry, 40 to 60 parts of flour, 20 to 25 parts of grease, 40 to 60 parts of eggs, 15 to 25 parts of sugar powder, 0.5 to 2 parts of baking powder and 0.5 to 1 part of table salt. The chicken bone paste uniform slurry is obtained by roasting the chicken bone by virtue of overheated steam and grinding and pulping the roasted chicken bone, so that the peculiar odor of the chicken bone can be effectively removed, the content of flavor development ingredients in the chicken bone can be increased, and the flavor and taste of the chicken bone paste uniform slurry can be improved. Not only the high-calcium potato biscuit is rich in dietary fibers, vitamins, calcium, phosphorus and other mineral elements, but also the consumption range of the potato can be greatly enlarged, and the consumption amount and utilization rate of the potatoes and chicken bone can be increased.